XML 29 R21.htm IDEA: XBRL DOCUMENT
v3.25.3

Goodwill and other intangible assets | 9 Months Ended
--- | ---
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and other intangible assets | Note 12. Goodwill and other intangible assets Reconciliations of the changes in the carrying value of goodwill for the first nine months of 2025 and for the year ended December 31, 2024 follow (in millions).
| September 30, 2025 |  |  | December 31, 2024 |
Balance at the beginning of the year* | $ | 83,880 |  |  | $ | 84,626 |
Business acquisitions |  | 400 |  |  |  | 87 |
Other, including foreign currency translation |  | 245 |  |  |  | (833 | )
Balance at the end of the period* | $ | 84,525 |  |  | $ | 83,880 |
—————— * Net of accumulated goodwill impairm ents o f $11.5 billion as of September 30, 2025 and December 31, 2024 and $11.1 billion as of December 31, 2023. Other intangible assets are summarized below (in millions).
| September 30, 2025 |  |  | December 31, 2024 |
| Gross carrying amount |  | Accumulated amortization |  | Net carrying value |  |  | Gross carrying amount |  | Accumulated amortization |  | Net carrying value |
Insurance and other: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships | $ | 31,150 |  | $ | 9,428 |  | $ | 21,722 |  |  | $ | 30,941 |  | $ | 8,840 |  | $ | 22,101 |
Trademarks and trade names |  | 9,047 |  |  | 1,146 |  |  | 7,901 |  |  |  | 9,007 |  |  | 1,041 |  |  | 7,966 |
Patents and technology |  | 5,700 |  |  | 4,666 |  |  | 1,034 |  |  |  | 5,375 |  |  | 4,359 |  |  | 1,016 |
Other |  | 5,614 |  |  | 2,216 |  |  | 3,398 |  |  |  | 5,551 |  |  | 1,996 |  |  | 3,555 |
| $ | 51,511 |  | $ | 17,456 |  | $ | 34,055 |  |  | $ | 50,874 |  | $ | 16,236 |  | $ | 34,638 |
Railroad, utilities and energy: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships and contracts | $ | 1,540 |  | $ | 785 |  | $ | 755 |  |  | $ | 1,553 |  | $ | 728 |  | $ | 825 |
Other |  | 441 |  |  | 133 |  |  | 308 |  |  |  | 437 |  |  | 126 |  |  | 311 |
| $ | 1,981 |  | $ | 918 |  | $ | 1,063 |  |  | $ | 1,990 |  | $ | 854 |  | $ | 1,136 |
Notes to Consolidated Financial Statements Note 12. Goodwill and other intangible assets Intangible asset amortization expense in the first nine months was $1.3 billion in 2025 and 2024. Intangible assets with indefinite lives were $19.0 billion as of September 30, 2025 an d $18.9 billion as of December 31, 2024 and primarily consisted of certain customer relationships, trademarks and trade names. Railroad, utilities and energy intangible assets are included in other assets.

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration